680. 

 CRABRO SUBPUNCTATUS. 



Order Hymenoptera. Fam. Crabronidae. 



Type of the Genus, Sphex cribraria Linn. 

 BABRO Fab., Panz., Van. Lind., Shuck,, Curt. — Pemphredon Fab. 

 Antennce inserted towards the bottom of the face at the base of 

 the clypeus, approximating, a little longer than the head, geni- 

 culated, fusiform and 13-jointed in the male (1 ^), basal joint 

 stout, elongate obovate, hairy at the back, 2nd small, cup- 

 shaped, 5 following dilated, 3rd semiovate, the following trans- 

 verse, 8th, 9th and 10th narrower, serrated, the following slender 

 subovate : filiform and 12-jointedin the female (1 ? ), basal joint 

 long, rather stout, sublinear and hairy, 2nd ovate -truncate, 3rd 

 much longer than any of the following which are oblong, a little 

 thickened and truncated obliquely, apical joint longer and sub- 

 conic. 



Labrum attached under the clypeus, transverse, very short, 

 forming a depressed triangle, the centre emarginate, ciliated and 

 fringed with long hairs (2) , 



Mandibles long, crossing, a little curved, sublinear, the apex 

 cleft, forming 2 broad rounded teeth (3). 



MaxillcB short, terminating in a large concavo-convex ciliated 

 lobe. Palpi short, pubescent and 6-jointed, basal joint a little 

 longer than the 2nd, which is ovate-truncate, slender and clavate, 

 3rd, 4th and 5th rather thick and a little cleaver-shaped, 4th the 

 longest, 6th slender, subelliptic and at least as long as the 4th 



Mentum obconical. Lip very short, fleshy and pilose in the 



female (5), as long as the palpi and semicylindrical in the male 



( (^). Palpi short pubescent and 4-jointed, basal joint clavate, 



2nd and 3rd somewhat obtrigonate, 4th small and ovate (5). 



Head larc/e and broad; face transverse-oval : eyes large ovate, remote 



above, approximating below : ocelli 3 in triangle on the crown. Thorax 



as broad as the head, obovate, collar narrow, the angles acuminated : 



scutel transverse, semiovate. Abdomen very narrow at the base, as 



long as the head and thorax, ovate-lanceolate, 7-jointed in the male, 



6-jointed in the female. Wings with 1 marginal cell, pedicled at the 



apex, and 1 submarginal. Legs short and stout : thighs stout : 



tibiae short, spinose outside, with long spurs at the apex: tarsi as long 



as the tibicE, slender, 5-jointed, externally spinose in the female, basal 



joint elongated, 3 following obtrigonate, 5th stout, elongate-clavate : 



claws short, acute : anterior legs patelliform in the male (8) ; coxae 



stout (c) ; trochanters oblong {d) ; thigh with a minute spine at the 



base and a large dilated tooth on the outside (f), trigonate at the 



apex ; tibia with a spur at the apex, and a large horny bowl-shaped 



dilatation on the outside, tvith transparent dots (J) ; tarsus short and 



thick, basal joint obtrigonate, 5 following saucer-shaped {t) ; claws 



very unequal, one small the other stout, curved and hooked at the 



base (m). 



SuBPUNCTATUs/Jossi. — Curt.Guide, Gen. 683.18. — 4-maculatusFai. (^ . 

 In the Author s and other Cabinets. 



